2113121301 has 16 divisors (see below), whose sum is σ = 2984978304. Its totient is φ = 1325103104.

The previous prime is 2113121287. The next prime is 2113121303. The reversal of 2113121301 is 1031213112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2113121301 - 2⁷ = 2113121173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113121303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82981 + ... + 105413.

It is an arithmetic number, because the mean of its divisors is an integer number (186561144).

Almost surely, 2^2113121301 is an apocalyptic number.

It is an amenable number.

2113121301 is a deficient number, since it is larger than the sum of its proper divisors (871857003).

2113121301 is a wasteful number, since it uses less digits than its factorization.

2113121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24300.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113121301 is about 45968.6991440915. The cubic root of 2113121301 is about 1283.2407506307.

Adding to 2113121301 its reverse (1031213112), we get a palindrome (3144334413).

The spelling of 2113121301 in words is "two billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred one".